The utility model relates to a siphon overflow device, which has siphon function and overflow function. At the same time, it can also be used for automatic liquid level control. A liquid filling device is installed at the top of the siphon, and a restrictor is installed at the reverse port to fill the siphon with liquid. The overflow can be made of metal, plastic, impervious cement or rubber. The reverse pipe part of the utility model can be provided with a serpentine tube or a plastic flexible tube, so that the height of the reverse port can be adjusted conveniently. Thus, the application field of overflow device is enlarged. The overflow device can be applied to reservoir spillway overflow automatically, automatic classification of paddy field drainage and irrigation, sewage treatment and other fields.
【技术实现步骤摘要】
【技术保护点】
一种溢流器，由虹吸管、虹吸管反向端口和固定装置组成，其特征在于虹吸管的顶部有一注水装置，由注液孔和螺栓构成，在虹吸管两端的反向端口部安装有通／闭装置，使反向端口可处于开通状态或关闭状态。
【技术特征摘要】
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